For context of anyone following along, we've not completed the migration of statepoint to the operand bundle form. The only remaining piece is to actually version the statepoint intrinsic to remove the old inline operand sets. That will follow when I have some time; delay is useful here to allow downstream migrations.
46 lines
2.0 KiB
LLVM
46 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=x86_64-linux-generic < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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; We can't create a select of two TargetFrameIndices since the rest
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; of the backend doesn't know how to handle such a construct.
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define i32 addrspace(1)* @test(i32 addrspace(1)* %a, i32 addrspace(1)* %b, i1 %which) gc "statepoint-example" {
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; CHECK-LABEL: test:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: subq $16, %rsp
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; CHECK-NEXT: .cfi_def_cfa_offset 32
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; CHECK-NEXT: .cfi_offset %rbx, -16
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; CHECK-NEXT: movl %edx, %ebx
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; CHECK-NEXT: movq %rdi, (%rsp)
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; CHECK-NEXT: movq %rsi, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: callq f
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; CHECK-NEXT: .Ltmp0:
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; CHECK-NEXT: testb $1, %bl
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; CHECK-NEXT: je .LBB0_1
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; CHECK-NEXT: # %bb.2: # %entry
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; CHECK-NEXT: movq (%rsp), %rax
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; CHECK-NEXT: jmp .LBB0_3
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; CHECK-NEXT: .LBB0_1:
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; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax
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; CHECK-NEXT: .LBB0_3: # %entry
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; CHECK-NEXT: addq $16, %rsp
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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entry:
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%tok = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @f, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %a, i32 addrspace(1)* %b)]
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%a.r = tail call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %tok, i32 0, i32 0) ; (%a, %a)
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%b.r = tail call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %tok, i32 1, i32 1) ; (%b, %b)
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%cond.v = select i1 %which, i8 addrspace(1)* %a.r, i8 addrspace(1)* %b.r
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%cond = bitcast i8 addrspace(1)* %cond.v to i32 addrspace(1)*
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ret i32 addrspace(1)* %cond
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}
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declare void @f()
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declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
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declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32, i32)
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